{{- /* Core defines the common configuration used by all webhook segments */}}
{{/* Copy just what we need to avoid expensive deepCopy */}}
{{- $whv := dict
 "revision" .Values.revision
  "injectionPath" .Values.istiodRemote.injectionPath
  "injectionURL" .Values.istiodRemote.injectionURL
  "reinvocationPolicy" .Values.sidecarInjectorWebhook.reinvocationPolicy
  "caBundle" .Values.istiodRemote.injectionCABundle
  "namespace" .Release.Namespace }}

{{- /* Core defines the common configuration used by all webhook segments */}}
{{/* Copy just what we need to avoid expensive deepCopy */}}
{{- $whv := dict
 "revision" .Values.revision
  "injectionPath" .Values.istiodRemote.injectionPath
  "injectionURL" .Values.istiodRemote.injectionURL
  "reinvocationPolicy" .Values.sidecarInjectorWebhook.reinvocationPolicy
  "caBundle" .Values.istiodRemote.injectionCABundle
  "namespace" .Release.Namespace }}

      {{- end }}
      {{- else }}
      discoveryAddress: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}.{{.Release.Namespace}}.svc:15012
      {{- end }}
{{- end }}

{{/* We take the mesh config above, defined with individual values.yaml, and merge with .Values.meshConfig */}}
{{/* The intent here is that meshConfig.foo becomes the API, rather than re-inventing the API in values.yaml */}}

# Adapted from istio-discovery/templates/mutatingwebhook.yaml
# Removed paths for legacy and default selectors since a revision tag
# is inherently created from a specific revision
{{/* Copy just what we need to avoid expensive deepCopy */}}
{{- $whv := dict
 "revision" .Values.revision
  "injectionURL" .Values.istiodRemote.injectionURL
  "namespace" .Release.Namespace }}
{{- define "core" }}
- name: {{.Prefix}}sidecar-injector.istio.io
  clientConfig:

      {{- end }}
      {{- else }}
      discoveryAddress: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}.{{.Release.Namespace}}.svc:15012
      {{- end }}
{{- end }}

{{/* We take the mesh config above, defined with individual values.yaml, and merge with .Values.meshConfig */}}
{{/* The intent here is that meshConfig.foo becomes the API, rather than re-inventing the API in values.yaml */}}

  "reinvocationPolicy" .Values.sidecarInjectorWebhook.reinvocationPolicy
  "namespace" .Release.Namespace }}
{{- define "core" }}
{{- /* Kubernetes unfortunately requires a unique name for the webhook in some newer versions, so we assign
a unique prefix to each. */}}
- name: {{.Prefix}}sidecar-injector.istio.io
  clientConfig:
    {{- if .injectionURL }}
    url: "{{ .injectionURL }}"
    {{- else }}
    service:

    #
    # The PSP controller would add corresponding annotations to the pod spec for each container. However, this happens before
    # the inject adds additional containers, so we must specify them explicitly here. With the above example, we could specify:
    # injectedAnnotations:
    #   container.apparmor.security.beta.kubernetes.io/istio-init: runtime/default

      postStart:
        exec:
          command:
          - pilot-agent
          - wait
  {{- else if $nativeSidecar }}
    {{- /* preStop is called when the pod starts shutdown. Initialize drain. We will get SIGTERM once applications are torn down. */}}
    lifecycle:
      preStop:
        exec:
          command:
          - pilot-agent
          - request

      postStart:
        exec:
          command:
          - pilot-agent
          - wait
  {{- else if $nativeSidecar }}
    {{- /* preStop is called when the pod starts shutdown. Initialize drain. We will get SIGTERM once applications are torn down. */}}
    lifecycle:
      preStop:
        exec:
          command:
          - pilot-agent
          - request

metadata:
  labels:
    {{/* security.istio.io/tlsMode: istio must be set by user, if gRPC is using mTLS initialization code. We can't set it automatically. */}}